Steen, L. A., & Seebach, J. A. (1970). Counterexamples in Topology. New York: Holt, Rinehart and Winston.
Trích dẫn kiểu ChicagoSteen, Lynn A., và J. Arthur Seebach. Counterexamples in Topology. New York: Holt, Rinehart and Winston, 1970.
Deismireacht MLASteen, Lynn A., và J. Arthur Seebach. Counterexamples in Topology. New York: Holt, Rinehart and Winston, 1970.
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